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Q: What is the first step in using a balance beam scale? A. zero the balance B. put mass on the tray C. record the mass values D. use counter weights and dial to balance scale
A: When using a balance beam scale, the first step is to adjust the counter weight on the beam scale until the balance pointer aligns with the zero balance mark on the scale. Place the object to be weighed on the pan of the scale. [ Slide the heaviest weight along its beam until it tips downward. Move the weight back one increment. The scale should tip upward again. Slide the next lighter weight
along its beam until the weight tips downward. SO THE answer is A. zero the balance ]
bubblespatrick1216|Points 160|
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Asked 6/3/2013 10:33:53 AM
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